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anonymous
 4 years ago
a. What are the coordinates of points P and Q where the line x=1/2 intersects the unit circle?
b. Explain how part (a) shoes that if cos(theta)=1/2, then sin(theta)=plus or minus (square root of 3) /2
anonymous
 4 years ago
a. What are the coordinates of points P and Q where the line x=1/2 intersects the unit circle? b. Explain how part (a) shoes that if cos(theta)=1/2, then sin(theta)=plus or minus (square root of 3) /2

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anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0dw:1328330431802:dw srry its messy:/

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0in the bottom corner, "x^2+y^2=1"

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0a. y=plus or minus (square root of 3) /2

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0b. x coordinates represent cos(theta), y coordinates represent sin(theta)
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